Update app.py

app.py

@@ -17,6 +17,8 @@ from langchain.chains.conversation.memory import ConversationalBufferWindowMemor
 
 MODEL_NAME = "mn40_as"
 
+session_token = os.environ["SESSION_TOKEN"]
+
 device = torch.device('cuda') if torch.cuda.is_available() else torch.device('cpu')
 model = get_mobilenet(width_mult=NAME_TO_WIDTH(MODEL_NAME), pretrained_name=MODEL_NAME)
 model.to(device)
@@ -66,7 +68,8 @@ def format_classname(classname):
   return classname.capitalize()
     
 def formatted_message(audio_class, human_input):
-    global cached_audio_class
+    global cached_audio_class 
+    global session_token
     formatted_classname = format_classname(audio_class)
     if cached_audio_class != formatted_classname: